class_docstr: Test class for VPG.
class_docstr_tok: ["Test","class","for","VPG","."]
docstr: Test VPG with invalid entropy config.
docstr_tok: ["Test","VPG","with","invalid","entropy","config","."]
code: def test_invalid_entropy_config(self, algo_param, error, msg):
      """Test VPG with invalid entropy config."""
      self._params.update(algo_param)
      with pytest.raises(error, match=msg):
          VPG(**self._params)
  
file_path: garage/tests/garage/torch/algos/test_vpg.py
imports: import pytest
  import torch
  from garage.envs import GymEnv
  from garage.experiment import deterministic
  from garage.sampler import LocalSampler
  from garage.torch.algos import VPG
  from garage.torch.policies import GaussianMLPPolicy
  from garage.torch.value_functions import GaussianMLPValueFunction
  from garage.trainer import Trainer
  from tests.fixtures import snapshot_config
label_desc: Use image node_id 7 for calling the TestVPG obj's underlying member method code with example usage: obj.test_invalid_entropy_config(algo_param, error, msg) without return types